valter/dosbox-staging
1
0
Fork 0
Code Releases Activity

fixed fcb random block read/write.

Browse source 
added minimal int 29 handler(detector)


Imported-from: https://svn.code.sf.net/p/dosbox/code-0/dosbox/trunk@567
This commit is contained in:
Peter Veenstra 2002-12-11 19:56:04 +00:00
parent 9aafc9ae6f
commit ce851095e0
1 changed files with 12 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
src/dos/dos.cpp
View file

@ -32,7 +32,7 @@ DOS_Block dos;
DOS_InfoBlock dos_infoblock;
Bit8u dos_copybuf[0x10000];
static Bitu call_20,call_21,call_27,call_28;
static Bitu call_20,call_21,call_27,call_28,call_29;
void DOS_SetError(Bit16u code) {
dos.errorcode=code;
@ -239,11 +239,11 @@ static Bitu DOS_21Handler(void) {
break;
case 0x27: /* Random block read from FCB */
reg_al = DOS_FCBRandomRead(SegValue(ds),reg_dx,reg_cx,false);
LOG_DEBUG("DOS:0x27 FCB-Random read used, result:al=%d",reg_al);
LOG_DEBUG("DOS:0x27 FCB-Random(block) read used, result:al=%d",reg_al);
break;
case 0x28: /* Random Block write to FCB */
reg_al=DOS_FCBRandomWrite(SegValue(ds),reg_dx,reg_cx,false);
LOG_DEBUG("DOS:0x28 FCB-Random write used, result:al=%d",reg_al);
LOG_DEBUG("DOS:0x28 FCB-Random(block) write used, result:al=%d",reg_al);
break;
case 0x29: /* Parse filename into FCB */
{ Bit8u difference;
@ -852,6 +852,11 @@ static Bitu DOS_28Handler(void) {
return CBRET_NONE;
}
static Bitu DOS_29Handler(void) {
LOG_DEBUG("int 29 called");
return CBRET_NONE;
}
void DOS_Init(Section* sec) {
MSG_Add("DOS_CONFIGFILE_HELP","Setting a memory size to 0 will disable it.\n");
call_20=CALLBACK_Allocate();
@ -870,6 +875,10 @@ void DOS_Init(Section* sec) {
CALLBACK_Setup(call_28,DOS_28Handler,CB_IRET);
RealSetVec(0x28,CALLBACK_RealPointer(call_28));
call_29=CALLBACK_Allocate();
CALLBACK_Setup(call_29,DOS_29Handler,CB_IRET);
RealSetVec(0x29,CALLBACK_RealPointer(call_29));
DOS_SetupFiles(); /* Setup system File tables */
DOS_SetupDevices(); /* Setup dos devices */
DOS_SetupTables();